Seiko Cal. 6376 - 631

The 6376-631 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6376 caliber with 36j jewels beating at 36,000 bph, it delivers a 58 hours power reserve. [seikata-wm-aa5c9f2eb7ce]

Also known as: Golden Tuna, Baby Tuna

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

39mm

Case Thickness

9.1mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Blue Sunburst

Jewels

36j

Frequency

36,000 bph

Power Reserve

58 hours

Year

1984

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